They sing songs ( ）Sunday evening,but we( )中填don't还是aren't

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• They sing songs ( ）Sunday evening,but we( )中填don't还是aren't
• We ( ) go hiking last week.填什么?A还是B还是C?A.didn't B.don't C.aren't
• They sing songs ( ）Sunday evening,but we( )中填don't还是aren't
• They watch TV___Sunday evening ,but we ___.A.on,don't B.in,do C.on,aren't D.in,are
• 选择方框中的词或短语填空,使句意完整,每个词（短语）限用一次）bring ,forger,fun ,have a picnic ,free,time ,sing,fly a kite ,carry ,ask1.Let’s go and help the old woman ( ) some water.2.Tony ,please ( ) your bike here tomorrow.3.This Sunday we will go to ( ) on West Hill.4.— Please don’t ( _____) to tell him to call me back.—OK.5.I’m not ( ) tomorrow .I have to do housework(做家务)6.Can you ( ) English songs?7.—Mike ,do you have ( —No,I am busy.8.—How about ( ) this afternoon?—G ood id
• We _(not go)to the zoo on Sunday .怎么填?用don't go to 还是are not go to
• They watch TV___Sunday evening ,but we ___.A.on,don't B.in,do C.on,aren't D.in,are
• 为了测定一石块的密度，某同学用天平测得装满水的烧杯的总质量为210g，把小石块放入装满水的烧杯中，溢出水的质量为20g，剩余水、烧杯、石块总质量为240g，求石块的密度．
• 甲、乙两数之和是43.12，如果甲数小数点向左移一位，就等于乙数，求甲、乙两数各是多少？